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EP0001291
European procedure
Extract from the Register of European Patents
EP About this file: EP0001291
| EP0001291 - Process for the preparation of tetrahydrofurane from 1,4-butanediol [Right-click to bookmark this link] | |||
| Former [1981/01] | Process for the preparation of cyclic ethers | ||
| [1981/01] | Status | No opposition filed within time limit Status updated on 14.09.2016 Database last updated on 19.03.2026 | Most recent event Tooltip | 14.09.2016 | No opposition filed within time limit | Applicant(s) | For all designated states BASF Aktiengesellschaft Carl-Bosch-Strasse 38 67063 Ludwigshafen / DE | [N/P] | Inventor(s) | 01 /
Mueller, Herbert, Dr. Carostrasse 53 D-6710 Frankenthal / DE | 02 /
Huchler, Otto Hermann, Dr. Weinbietstrasse 38 D-6703 Limburgerhof / DE | [N/P] | Application number, filing date | 78100974.1 | 25.09.1978 | Priority number, date | DE19772743345 | 27.09.1977 Original published format: DE 2743345 | Filing language | DE | Procedural language | DE | Publication | Type: | A1 Application with search report | No.: | EP0001291 | Date: | 04.04.1979 | Language: | DE | [N/P] | Type: | B1 Patent specification | No.: | EP0001291 | Date: | 07.01.1981 | Language: | DE | [1981/01] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 22.01.1979 | Classification | IPC: | C07D307/08, C07D315/00 | [1981/01] | CPC: |
C07D307/08 (EP,US)
| Designated contracting states | BE, DE, FR, GB, NL | Title | German: | Verfahren zur Herstellung von Tetrahydrofuran aus Butandiol-1,4 | [1981/01] | English: | Process for the preparation of tetrahydrofurane from 1,4-butanediol | [1981/01] | French: | Procédé pour la préparation du tétrahydrofuranne à partir du butanediol-1,4 | [1981/01] |
| Former [1981/01] | Verfahren zur Herstellung von cyclischen Äthern | ||
| Former [1981/01] | Process for the preparation of cyclic ethers | ||
| Former [1981/01] | Procédé pour la préparation d'éthers cycliques | File destroyed: | 03.03.2001 | Examination procedure | 24.05.1979 | Examination requested | 10.10.1979 | Despatch of a communication from the examining division (Time limit: M06) | 11.04.1980 | Reply to a communication from the examining division | 03.07.1980 | Despatch of communication of intention to grant (Approval: ) | 25.07.1980 | Communication of intention to grant the patent | 05.09.1980 | Fee for grant paid | 05.09.1980 | Fee for publishing/printing paid | Opposition(s) | 02.03.1982 | No opposition filed within time limit [ N /P ] | Fees paid | Renewal fee | 16.09.1980 | Renewal fee patent year 03 |
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| Responsibility for the accuracy, completeness or quality of the data displayed under the link provided lies entirely with the Unified Patent Court. | Documents cited: | Search | FR2295036 (GEN ELECTRIC et al.) | [D] DE711709 (IG FARBENINDUSTRIE AG et al.) | [P] FR2345440 (RHONE POULENC IND et al.) |